Home / 1,370,273,181.42-1,890,652,854.86-775,557,665.73

Finding the Fourth Proportional to 1,370,273,181.42, 1,890,652,854.86 and 775,557,665.73

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Solution

The fourth proportional to 1,370,273,181.42, 1,890,652,854.86 and 775,557,665.73 is: 1,070,086,122.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,273,181.42 : 1,890,652,854.86 = 775,557,665.73 : x
  2. Step 2: Convert to fraction form
    1,370,273,181.42/1,890,652,854.86 = 775,557,665.73/x
  3. Step 3: Cross multiply
    1,370,273,181.42x = 1,890,652,854.86 × 775,557,665.73
  4. Step 4: Simplify right side
    1,370,273,181.42x = 1,466,310,314,817,104,384
  5. Step 5: Solve for x
    x = 1,466,310,314,817,104,384/1,370,273,181.42
  6. Step 6: Final answer
    x = 1,070,086,122.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.